Machine Wet End TRIZ Cases

Narrow cross-machine strips maintain uniform pressure, resolving pulsating flow and structural durability issues in web-forming machines.

Deformable pintles compress during processing to lower permeability and eliminate seam marking in papermaking dryer fabrics.

Multi-angle laser Doppler velocimetry determines jet velocity vectors to resolve measurement precision and control reliability trade-offs in papermaking.

A stock flow equalizer creates chaotic turbulence to mix fibrous stock, ensuring even chemical distribution and reducing usage costs.

A dewatering device removes water from the fibrous web via gentle compression between belts, preserving bulk structure while lowering drying costs.

A wet paper web transfer belt uses a polyurethane layer containing high and low roundness fillers to enhance adhesive and releasing properties.

Linear guides displace a tensioning roller relative to a deflection roller, creating an S-shaped strand angle under 40 degrees to reduce drive complexity.

Pressure waves from electrical discharges disrupt unidirectional fiber alignment, improving isotropic distribution and tear strength.

An adjustable foil apparatus uses a sliding mechanism to position the forming element relative to the forming fabric.

A tail pick-up pulley moves a fibrous web tail into position using mechanical force.

Porous polymer foam layers replace complex weaving processes to create irregular, high-volume tissue structures with uniform drainage.

Integrating a grinding member with the doctor blade eliminates production downtime caused by frequent belt removal and replacement for surface maintenance.

A triple-layer papermaking fabric uses binding yarns to interweave top and bottom layers, creating engineered drainage channels for efficient water removal.

A multiple mode headbox uses an adjustable roof to switch between high and low consistency flows, resolving uniformity trade-offs in versatile paper production.

A paper machine screen uses a repeating sub-repeat drawing-in pattern to assign warp threads asymmetrically.

Grouped weft yarns weave side-by-side to reduce interstices and air permeability, enabling high-speed production while minimizing contamination affinity.

Self-tapping connection adapters anchor a slotless deckle seal strip, eliminating labor-intensive fastener removal and reducing maintenance downtime.

Machine-side recesses collect liquid and contaminants to prevent roller slip while raised zones preserve static friction drive contact.

Measures humidity at distinct locations upstream and downstream of conditioning stations to resolve diagnosis reliability issues in paper making.

A multilayer headbox deposits layers onto a single forming unit, resolving low bonding strength and impurity infiltration while increasing running speeds.

A rotating vacuum roll replaces stationary uhle boxes to prevent delamination and damage during cleaning.

Repositioning the headbox outlet gap above the horizontal wire section prevents fiber suspension backflow along the incline, ensuring uniform web thickness.

Raised discrete elements improve hand feel by inverting pocket structures to high-density areas.

A plastic drainage element features an opening housing a ceramic insert secured by a locking projection engaging a latching surface.

A two-layer fabric design with vertically arranged warps and wefts enhances rigidity and wear resistance through a zigzag lower surface structure.

Vertically stacked alignment of machine direction warp yarns creates uniform seaming loops, resolving uneven seam formation and reducing assembly complexity.

Compressed gas displaces water from a nascent paper web to increase solids content and bulk while reducing drying energy consumption.

A splice turning device adjusts fabric splice position based on width measurements to reduce machine vibration.

RFID identification units replace mechanical data storage to enable contactless reading of screen basket wear state and operating history.

Pivotable angle lever adjusts scraper bar height and angular position relative to the screen belt, reducing actuating forces.

A pilot control device dynamically adjusts headbox setpoints using real-time consistency measurements to regulate paper web mass flow.

A multi-layer papermaker's fabric uses alternating top CMD yarns and paired stitching yarns to bind layers.

Longitudinal cam block movement adjusts foil blade angle without moving the upper pultrusion, preventing fiber contamination in dewatering mechanisms.

A dewatering screen integrates a perforated plastic watermark insert to create stiffened paper areas with bright fine structures.

Clamped ball joint connects eccentric drives to rollers, transmitting axial forces while isolating transverse vibrations that cause bearing failure and wear.

A woven 10-shed semi-duplex fabric creates varying pocket sizes to enhance tissue bulk and absorbency.

Twisted machine direction yarns create slanted surfaces that direct fluid sprays through industrial textile structures for deeper penetration.

Replacing fossil plastics with renewable bioplastics in paper machine belt threads conserves resources while maintaining mechanical reliability.

A paper machine fabric uses differentiated transverse thread diameters to improve fiber support and drainage performance.

A woven fabric connection uses transmission welding to join longitudinal thread ends to a connecting element via light absorption.

A forming section control system calculates preceding suction box vacuum set points from the last box value to create a uniform profile.

Dynamic blade speed and pressure adjustments resolve contradictions between water consumption and sheet strength by preventing fiber clumping.

Cylindrical and conical roll portions guide web tails into conveyor belts, preventing slippage during automatic feeding.

Segmented papermaking fabric resolves wear resistance and fiber retention trade-offs using recessed support areas for improved bulk.

Offset double warp yarns create porous channels that guide high-pressure washing liquid, reducing yarn damage and improving cleaning efficiency.

Segmented manifold distributors adjust independent flow paths to resolve basis weight non-uniformities while maintaining overall flow distribution stability.

Integrating the spray nozzle inside a cone structure prevents stain re-adhesion during transport.

Ultrasonic welding secures polymer elements to base clothing, resolving the trade-off between positioning accuracy and connection durability.

Discharge unit extracts accumulated fibers via scraper to prevent entanglement and maintain sieving efficiency.

Trapezoidal tube discharge ends transition round flow to uniform cross-machine distribution, reducing consistency nonuniformities caused by shape changes.